Cover for a flushing tank



FIG. 1 is a perspective view of a cover for a flushing tank inaccordance with of the present design;

FIG. 2 is a front view thereof;

FIG. 3 is a top elevational view thereof;

FIG. 4 is a bottom elevational view thereof;

FIG. 5 is a right elevational view thereof; and,

FIG. 6 is a left elevational view thereof.

The ornamental design for a cover for a flushing tank, as shown anddescribed.